These are rectangular in shape and are permanent magnets, which means that they will retain their magnetic fields for a significant period of time without the use of a supplied electric current.
They are made of chrome steel and are supplied in pairs.
They are painted half in red and half in blue.
They are supplied with keepers.
They are available in different sizes:
Other sizes are also available on specific request.
With these bar magnets, students can appreciate how the unlike poles of magnets attract each other and the like poles repel each other.
The bar magnets can be supplied in wooden/plastic cases at an extra cost.